defmodule IRC.LoginHandler do
  def start_link(client) do
    GenServer.start_link(__MODULE__, [client])
  end

  def init([client]) do
    ExIRC.Client.add_handler client, self
    conf = Application.get_env(:lsg, :irc, []) |> Keyword.get(:irc)
    channels = Keyword.get(conf, :channels, [])
    {:ok, {client, channels}}
  end

  def handle_info(:logged_in, state = {client, channels}) do
    debug "Logged in to server"
    channels |> Enum.map(&ExIRC.Client.join client, &1)
    {:noreply, state}
  end

  # Catch-all for messages you don't care about
  def handle_info(_msg, state) do
    {:noreply, state}
  end

  defp debug(msg) do
    IO.puts IO.ANSI.yellow() <> msg <> IO.ANSI.reset()
  end
end